I should've posted this ages ago.

Choice-Band Scolipede. DIE.

With 355 Speed and 427 Attack, Unless something misses, this guy is a MONSTA and a Force to be reckoned with. I've killed 4 in a row with it, I stopped when Megahorn missed. Earthquake is coverage of the deadly Fire and Rock, and it's a powerful move, it's the best coverage option, what else is there to say? Megahorn is FREAKING STAB POWER and weakness coverage of Psychic. Rock Slide is your Flying Coverage for you, along with many others. SuperPower is even more coverage.

So getting a sub up can be a really good play if your opponent will let you.
Then you can start using Swords Dance. When they break your sub, keep subbing until you're low on health. Now you have Swarm + Insect Plate + STAB Megahorn.
Rock Slide is there for coverage. Earthquake is also a solid option.

Ikr, I love Scizor! Well, Dig covers well when I battle... I prefer it rather than Megahorn (which most people like, due to its low accuracy). Since I'm not a Pokémon expert (despite my age), I pick out Black Sludge, Swarm and Adamant nature.

At base 112, Scolipede's speed stat is impressive, but not exceptional. However, slap a choice scarf on that creepy crawler and it will blaze by its opponents. Reasons for using this arthropod over counterparts like ninjask are its great physical attacking prowess
and it's decent defensive typing, as well as its mere single weakness to stealth rock.

Setting up Swords dance is easy, lets you get over 500 on your attack stat, sweeps well, and you already have a good 355 speed stat thanks to jolly! Megahorn is my personal choice of STAB, screw the 85 accuracy, you hit harder. Rock Slide is great coverage, and can drive some foes such as an adamant Weavile into the ground before they get their chance to attack you, screws over bunches of flying types, and gives overall great coverage. Earthquake is that amazing coverage move, gets 5 types, which is nice, has 100 base power, so you're leaving a mark, and covers fire, rock, steel, electric, and poison! All of which our friend here can't hardly stand! And by the name, you can tell that he's one of my rain team bug types, and one of my favorites might I add.

He may not have amazing defenses, but he hovers about 216 in his defense stat, and has 2 4X resistances, meaning with strategy he can survive the setup easily, most opponents have to switch to get something to take him down quickly.

Hey look, a Scolipede set that's just like the most common Ninjask set, except without the 4x stealth rocks weakness. This set works just like the Ninjask set, but a little slower, and a considerably larger amount of bulk, so it can Baton Pass the stat increases to the other Pokemon on your team for much longer than Ninjask.

Used for passing over the Speed Boost, so I think the first three moves are quite obvious. For the fourth move I prefer to use X-Scissor, to counter Taunt. But you could also use Swords Dance or Iron Defense to pass over an other bonus.

This set is more defensive. If an opponents moves are well predicted and you can get an iron defense up do it. If not using this should give you a double in speed and Attack still and maybe even some spikes.

This is by far one of the best bugs around only beaten by Volcarona and Yanmega but still better depending on what you want the bugs role to be.